The Sun may have been part of a small group of stars that migrated from the core of our galaxy between 4 and 6 billion years ago.

A new study suggests the Sun moved outward with many similar stars during a large Milky Way migration event long ago.

For billions of years before reaching its current location, the Sun may have slowly travelled as part of a large group, or “wave,” of stars drifting out from the inner parts of the Milky Way. This ...